Zinc Die Casting for Metal Part Needs

Zinc alloy characteristics:

High strength and hardness
Excellent electrical conductivity
High thermal conductivity
Low cost raw material
High dimensional accuracy and stability
Excellent thin wall capability
Ability to cold form, which eases joining
High quality finishing characteristics
Outstanding corrosion resistance
Full recyclability

Zinc’s high strength and hardness lends itself to many solutions and it’s the ideal alternative to machined, pressed, stamped, and fabricated components.

Applications for Zinc:

Complex net-shaped zinc housings, with precise thin walls offer excellent electrical performance and shielding properties
Our proprietary multi-slide die casting process and superior thin-wall capabilities make us the foremost supplier of zinc components for broad range of consumer electronic devices
The castability of zinc, its wear resistance, and structural integrity make it perfect for the creation of the multi-faceted, highly complex shapes used in automotive safety and electronics industry

Zamak 3:

Zamak 3 (ASTM AG40A), or Zinc Alloy 3, is the most widely used zinc alloy in North America and is usually the first choice when considering zinc for die casting for a number of reasons.

Excellent balance of desirable physical and mechanical properties
Superb castability and long-term dimensional stability
Excellent finishing characteristics for plating, painting, and chromate treatments
Excellent damping capacity and vibration attenuation in comparison to aluminum die cast alloys

When it comes to die casting, Zamak 3 is the standard by which other zinc alloys are rated.

Zamak 5:

Zamak 5 (ASTM AC41A) or Zinc Alloy 5, is the most widely used zinc alloy in Europe.

It has a higher copper content than Zamak 3, which results in higher strength
It has less ductility (increased elongation) than Zamak 3
Designers must keep in mind that this reduction in ductility can affect formability during secondary operations such as bending, riveting, swaging, or crimping operations
Because of the wide availability of Zamak 3, component engineers often strengthen components by design modifications instead of using Zamak 5
When a measure of tensile performance is needed, Zamak 5 castings are recommended.
Zamak 5 is more readily plated, finished, and machined than Alloy 3

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